14001143 has 6 divisors (see below), whose sum is σ = 15161184. Its totient is φ = 12923976.

The previous prime is 14001137. The next prime is 14001151. The reversal of 14001143 is 34110041.

It is a happy number.

It is not a de Polignac number, because 14001143 - 2⁶ = 14001079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14001343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41255 + ... + 41592.

It is an arithmetic number, because the mean of its divisors is an integer number (2526864).

Almost surely, 2^14001143 is an apocalyptic number.

14001143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14001143 is a deficient number, since it is larger than the sum of its proper divisors (1160041).

14001143 is an equidigital number, since it uses as much as digits as its factorization.

14001143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82873 (or 82860 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 14001143 is about 3741.8101234563. The cubic root of 14001143 is about 241.0207852691.

Adding to 14001143 its reverse (34110041), we get a palindrome (48111184).

The spelling of 14001143 in words is "fourteen million, one thousand, one hundred forty-three".